PT-2021-9441 · Unknown · Contiki-Ng

Published 2021-12-07 · Updated 2021-12-09 · CVE-2020-12140

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Contiki-NG versions 4.4 and earlier

Description A buffer overflow in the BLE stack, specifically in os/net/mac/ble/ble-l2cap.c, allows an attacker to execute arbitrary code via malicious L2CAP frames.

Recommendations For Contiki-NG versions 4.4 and earlier, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-12140

Affected Products

Contiki-Ng

References · 5

• https://github.com/contiki-ng/contiki-ng/pull/1662 · Patch
• https://osv.dev/vulnerability/CVE-2020-12140 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-12140 · Security Note
• https://twitter.com/ScepticCtf · Note
• https://t.me/cibsecurity/33499 · Telegram Post